Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/14656#discussion_r74852400
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/parser/AstBuilder.scala
---
@@ -653,6 +653,19 @@ class AstBuilder extends SqlBaseBaseVisitor[AnyRef]
with Logging {
}
/**
+ * Create a table-valued function call with arguments, e.g. range(1000)
+ */
+ override def visitTableValuedFunction(ctx: TableValuedFunctionContext)
+ : LogicalPlan = withOrigin(ctx) {
+ val expressions = ctx.expression.asScala.map { ec =>
+ val e = expression(ec)
+ assert(e.foldable, "All arguments of a table-valued-function must be
constants.", ec)
--- End diff --
not part of this pr -- @hvanhovell can we rename this assert? It is
actually not the normal assert that only fails when there is a bug in Spark.
This is used to catch user code.
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